Index: test/expression_command/call-function/Makefile
===================================================================
--- test/expression_command/call-function/Makefile
+++ test/expression_command/call-function/Makefile
@@ -12,4 +12,4 @@
 include $(LEVEL)/Makefile.rules
 
 clean::
-	rm -rf *.o *.d *.dSYM
+	rm -rf $(wildcard *.o *.d *.dSYM)
Index: test/functionalities/data-formatter/rdar-12437442/Makefile
===================================================================
--- test/functionalities/data-formatter/rdar-12437442/Makefile
+++ test/functionalities/data-formatter/rdar-12437442/Makefile
@@ -9,5 +9,4 @@
 LDFLAGS += -framework Foundation
 
 clean::
-	rm -rf *.o *.d *.dSYM *.log
-	
\ No newline at end of file
+	rm -rf $(wildcard *.o *.d *.dSYM *.log)